Improved dgmgrl_validate_srl_all.sh
The orginal script was not able to handle multiple standbys. This is the orginal script. $ cat old_dgmgrl_validate_srl_all.sh red='\033[0;31m' green='\033[0;32m' nc='\033[0m' ps -ef|grep...
View ArticleHigh Level Compare Oracle Database 21c vs PostgreSQL 13 Installation
Install Oracle Database 21c on RHEL 8 Oracle is still using decades old runInstaller to install software and dbca create database using response file.Need to manually configure AutoStart of Oracle...
View ArticleCluster Interconnect Split Brain Testing
There was a dicusssion about memory causing split brain for a 2 nodes RAC; however, the log shows otherwise. By no means, am I a RAC expert. For testing purpose, ethernet for cluster_interconnect was...
View ArticleCluster Interconnect Split Brain Testing (CSS_CRITICAL yes)
Simply, setting CSS_CRITICAL for the node will provide more weight to not shutdown node during splitbrain. cluster_interconnect_split_brain_CSS_CRITICAL_yes
View ArticleFind All Oracle Alert Logs
I know what you are thinking as I would have thought the same. What’s the big deal? When there are dozen of RAC databases, it becomes cumbersome to search all alert logs one by one. [grid@node1 ~]$...
View ArticleDelete Trace Files (“*.tr?”) For 44 ORACLE_HOME
Recently, I had bloged about https://mdinh.wordpress.com/2022/08/21/find-all-oracle-alert-logs The same concept can be used to delete tracefiles. There are 44 ORACLE_HOMES for the ExaCS environment. A...
View ArticleEasy Way To Remove Oracle Database Home
-- Previously renamed all ORACLE_HOME to be deleted (just my preference and you can ask if curious). [oracle@host]/u01/oracle/product>ls -l total 28 drwxr-xr-x. 3 oracle oinstall 4096 Apr 10 2019...
View Article12c services will not start while manually restart pdb
Quick and dirty post. Hope it helps you. alter pluggable database pdborcl close immediate;alter pluggable database pdborcl open services=all; Reference: Doc ID 2006021.1
View ArticleFind Top %CPU Processes
Sounds trival does it not? These are CDBs [dinh@host1 ~]$ ps -ef|grep [p]mon|egrep -v 'asm|apx'|sort oracle 12757 1 0 Aug26 ? 00:14:57 ora_pmon_XXX9P1 oracle 63787 1 0 Aug14 ? 00:08:48...
View ArticleGoldenGate PURGEOLDEXTRACTS
There was an issue where GoldenGate trail files consumed 95% of 197G from filesystem. PURGEOLDEXTRACTS was changed from MINKEEPHOURS 48 to MINKEEPHOURS 20 The above configuration is relative and with...
View ArticleCreate Future Blackout Using emcli
There is scheduled maintenance starting at 6am CST and ending 6pm CST. That’s 3am in my timezone. Option 1 – create blackout in advance and sleep like a baby. Option 2 – create alarm to wake up to...
View ArticleMissing Dependencies Python Core / win32api in VirtualBox 7.0
After download and install VirtualBox-7.0.6-155176-Win, I encounter error – “Missing Dependencies Python Core / win32api” in VirtualBox 7.0 Instead of following the video to correct the error, I...
View ArticleLinkedIn Resume Builder
Imagine being laid off after working for 10ys at a company. I don’t remembered what I had for dinner last night and how am I supposed to remember what I did in the last 10 years to update my resume?...
View ArticleWhy Do You Read My Blog?
English is my second language (I always use this as an excuse but then I was one told “It doesn’t matter if you are right or wrong as long as you have an excuse – LOL”) Reading and writing are my...
View ArticleHow To Install Linux locate
The command locate is one of my favorite and it’s depressing if not installed. Still remembered when asked by my manager from a decade ago, “What’s the difference between effective and efficient?” To...
View ArticleOGG Microservices Silent Installation and Deployment – FUBAR?
There are 2 steps to Implement Oracle GoldenGate Microservices Architecture. Step1 – Install Oracle GoldenGate – oggcore.rsp is provided Step2 – Create the Oracle GoldenGate Deployment – oggca.rsp is...
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Oracle GoldenGate Microservices Architecture Silent Deployment Creation –...
I was working on 6 deployments – 3 primary and 3 standy. Was heading to home base but then tripped and fell – had port collision. How fastt can you spot the error? ### DEPLOYMENT #1...
View ArticleSome Quirks With oggca_response File Errors
I have just completed 6 deployments and thought I would things I was not are of. First issue is relared to password requirements. Password M1llionD0llar$ will not work. Who doesn’t like million...
View ArticleDatapump Import Performance Improvement for IOT with 1.9B rows
The root cause of the issue is source (DW) and target (OLTP) have different partition design for index organized table (IOT). Source: PARTITION BY HASH and Target: PARTITION BY VALUES IOT has...
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Use The Right Tool
I think I may have blogged about how most read from left to right and down unless you are reading Chinese. Look at how nice that is versus using text file. Back to the grind.
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